Brennan

Did you know?

A few things about Brennan you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

⭐ Famous Brennan

Brennan Johnson

Welsh-English association football player (born 2001)

Choose Brennan and your child shares a first name with Brennan Johnson, a Welsh-English association football player. A ready-made answer when someone asks “Brennan, like who?” Brennan Johnson's Wikipedia article is available in 35 languages, a good sign of just how widely known they are.

Read about Brennan Johnson on Wikipedia ↗ (opens in a new tab)

Photo: OhNoNotYouAgain, CC BY-SA 4.0 (opens in a new tab), via Wikimedia Commons

• 👶How commonAbout 1 in every 7,559 baby boys born in the US in 2025 was named Brennan, 226 babies in all. In a typical school of 500 kids, your Brennan would very likely be the only one.
• 📜HistoryBrennan first shows up in US birth records in 1916, the first year at least 5 babies got it. It has been in use for 109 years since.
• 🏆Best yearIt was far more popular in 2009, when it ranked #242. Today it's #1,002, so it could be due a comeback.
• 📉Then vs nowBrennan was 4.5× more common in 2000 than it is today. In 2000 it was given to about 1 in 1,696 baby boys; in 2025, about 1 in 7,559.
• 🍂TrendBrennan has slipped 238 places over the last five years and now sits at #1,002. Good news if you want a familiar name that fewer kids will share.
• 📍Where it's lovedBrennan is most popular in Louisiana, where it ranks #531, followed by Arkansas (#555) and Virginia (#563). It's in the top 1,000 in 13 states.

About the name Brennan

Brennan is a boy name of English, Irish and Irish surname origin. It has 7 letters and 2 syllables, starting with B and ending in “-nan”. US birth records list Brennan for boys from 1916 to 2025, in 77 of those 110 years. Its best year was 2009, when it ranked #242 among boy names. In 2025 it ranked #1,002, with 226 babies.

Origin:English namesIrish namesIrish surname names